neoneo-go/pkg/network/payload/merkleblock_test.go

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package payload
import (
"testing"
"github.com/stretchr/testify/require"
"github.com/nspcc-dev/neo-go/internal/testserdes"
"github.com/nspcc-dev/neo-go/pkg/core/block"
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
"github.com/nspcc-dev/neo-go/pkg/util"
)
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func newDumbBlock() *block.Header {
return &block.Header{
Version: 0,
PrevHash: hash.Sha256([]byte("a")),
MerkleRoot: hash.Sha256([]byte("b")),
Timestamp: 100500,
Index: 1,
NextConsensus: hash.Hash160([]byte("a")),
Script: transaction.Witness{
VerificationScript: []byte{0x51}, // PUSH1
InvocationScript: []byte{0x61}, // NOP
},
}
}
func TestMerkleBlock_EncodeDecodeBinary(t *testing.T) {
t.Run("positive", func(t *testing.T) {
b := newDumbBlock()
_ = b.Hash()
expected := &MerkleBlock{
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Header: b,
TxCount: 0,
Hashes: []util.Uint256{},
Flags: []byte{},
}
testserdes.EncodeDecodeBinary(t, expected, new(MerkleBlock))
})
t.Run("bad contents count", func(t *testing.T) {
b := newDumbBlock()
_ = b.Hash()
expected := &MerkleBlock{
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Header: b,
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TxCount: block.MaxTransactionsPerBlock + 1,
Hashes: make([]util.Uint256, block.MaxTransactionsPerBlock),
Flags: []byte{},
}
data, err := testserdes.EncodeBinary(expected)
require.NoError(t, err)
require.ErrorIs(t, testserdes.DecodeBinary(data, new(MerkleBlock)), block.ErrMaxContentsPerBlock)
})
t.Run("bad flags size", func(t *testing.T) {
b := newDumbBlock()
_ = b.Hash()
expected := &MerkleBlock{
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Header: b,
TxCount: 0,
Hashes: []util.Uint256{},
Flags: []byte{1, 2, 3, 4, 5},
}
data, err := testserdes.EncodeBinary(expected)
require.NoError(t, err)
require.Error(t, testserdes.DecodeBinary(data, new(MerkleBlock)))
})
}